EP3955689A4 - Random access method and user equipment - Google Patents

Random access method and user equipment Download PDF

Info

Publication number
EP3955689A4
EP3955689A4 EP20778473.7A EP20778473A EP3955689A4 EP 3955689 A4 EP3955689 A4 EP 3955689A4 EP 20778473 A EP20778473 A EP 20778473A EP 3955689 A4 EP3955689 A4 EP 3955689A4
Authority
EP
European Patent Office
Prior art keywords
user equipment
random access
access method
random
user
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP20778473.7A
Other languages
German (de)
French (fr)
Other versions
EP3955689A1 (en
Inventor
Chongming Zhang
Renmao Liu
Shohei Yamada
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FG Innovation Co Ltd
Sharp Corp
Original Assignee
FG Innovation Co Ltd
Sharp Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by FG Innovation Co Ltd, Sharp Corp filed Critical FG Innovation Co Ltd
Publication of EP3955689A1 publication Critical patent/EP3955689A1/en
Publication of EP3955689A4 publication Critical patent/EP3955689A4/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0833—Random access procedures, e.g. with 4-step access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0833—Random access procedures, e.g. with 4-step access
    • H04W74/0841—Random access procedures, e.g. with 4-step access with collision treatment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0866—Non-scheduled access, e.g. ALOHA using a dedicated channel for access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
    • H04W80/02—Data link layer protocols

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
EP20778473.7A 2019-03-27 2020-03-26 Random access method and user equipment Pending EP3955689A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910240800.3A CN111757534B (en) 2019-03-27 2019-03-27 Random access method and user equipment
PCT/CN2020/081377 WO2020192729A1 (en) 2019-03-27 2020-03-26 Random access method and user equipment

Publications (2)

Publication Number Publication Date
EP3955689A1 EP3955689A1 (en) 2022-02-16
EP3955689A4 true EP3955689A4 (en) 2022-12-14

Family

ID=72609918

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20778473.7A Pending EP3955689A4 (en) 2019-03-27 2020-03-26 Random access method and user equipment

Country Status (6)

Country Link
US (1) US20220191949A1 (en)
EP (1) EP3955689A4 (en)
CN (1) CN111757534B (en)
CA (1) CA3135063A1 (en)
MX (1) MX2021011773A (en)
WO (1) WO2020192729A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11864235B2 (en) * 2019-10-08 2024-01-02 Qualcomm Incorporated Random access response mapping for two-step random access channel procedure

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100035581A1 (en) * 2008-08-11 2010-02-11 Sung Jun Park Data transmission method and user equipment for the same

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100949972B1 (en) * 2009-01-02 2010-03-29 엘지전자 주식회사 Random access scheme for user equipment
KR101122095B1 (en) * 2009-01-05 2012-03-19 엘지전자 주식회사 Random Access Scheme Preventing from Unnecessary Retransmission, and User Equipment For the Same
KR101691344B1 (en) * 2009-04-23 2016-12-29 인터디지탈 패튼 홀딩스, 인크 Method and apparatus for random access in multicarrier wireless communications
CN102231917B (en) * 2011-07-05 2015-05-20 电信科学技术研究院 Random access method and device
CN103249169B (en) * 2012-02-03 2016-08-31 华为技术有限公司 Method, base station and the subscriber equipment of transmission Stochastic accessing response message
EP3509362A1 (en) * 2014-01-29 2019-07-10 Interdigital Patent Holdings, Inc. Uplink transmissions in wireless communications
CN105430750A (en) * 2014-09-22 2016-03-23 夏普株式会社 Method for configuring random access response, base station and user equipment
US10212732B2 (en) * 2015-04-28 2019-02-19 Lg Electronics Inc. Method for transmitting and receiving uplink data using contention based resources in wireless communication system and apparatus therefor
CN108293265B (en) * 2015-10-21 2021-07-27 松下电器（美国）知识产权公司 User equipment and wireless communication method
US20180234839A1 (en) * 2017-02-13 2018-08-16 Futurewei Technologies, Inc. System and Method for User Equipment Identification and Communications
CN108631971B (en) * 2017-03-22 2021-05-11 华为技术有限公司 Information transmission method, device and system
US20210392701A1 (en) * 2019-01-29 2021-12-16 Softbank Corp. Terminal appapatus, base station apparatus, and radio communication method

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100035581A1 (en) * 2008-08-11 2010-02-11 Sung Jun Park Data transmission method and user equipment for the same

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
ERICSSON: "Procedure for Two-step RACH", vol. RAN WG1, no. Athens, Greece; 20190225 - 20190301, 16 February 2019 (2019-02-16), XP051600518, Retrieved from the Internet <URL:http://www.3gpp.org/ftp/tsg%5Fran/WG1%5FRL1/TSGR1%5F96/Docs/R1%2D1902823%2Ezip> [retrieved on 20190216] *
HUAWEI ET AL: "MAC handling of MsgA when PUSCH occasion is not mapped", vol. RAN WG2, no. 20200224 - 20200306, 14 February 2020 (2020-02-14), XP051849390, Retrieved from the Internet <URL:https://ftp.3gpp.org/tsg_ran/WG2_RL2/TSGR2_109_e/Docs/R2-2000955.zip R2-2000955 MAC handling of MsgA with invalid PUSCH.doc> [retrieved on 20200214] *
OPPO: "On channel structure for 2-step RACH", vol. RAN WG1, no. Athens, Greece; 20190225 - 20190301, 16 February 2019 (2019-02-16), XP051600442, Retrieved from the Internet <URL:http://www.3gpp.org/ftp/tsg%5Fran/WG1%5FRL1/TSGR1%5F96/Docs/R1%2D1902747%2Ezip> [retrieved on 20190216] *
QUALCOMM INCORPORATED: "Procedures for Two-Step RACH", 3GPP DRAFT; R1-1903321, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. RAN WG1, 22 February 2019 (2019-02-22), pages 1 - 9, XP051600996 *

Also Published As

Publication number Publication date
WO2020192729A1 (en) 2020-10-01
CN111757534B (en) 2023-11-14
CN111757534A (en) 2020-10-09
MX2021011773A (en) 2021-10-22
CA3135063A1 (en) 2020-10-01
US20220191949A1 (en) 2022-06-16
EP3955689A1 (en) 2022-02-16

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